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Finding the Fourth Proportional to 283,558.56, 425,400.13 and 83,863.38

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Solution

The fourth proportional to 283,558.56, 425,400.13 and 83,863.38 is: 125,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,558.56 : 425,400.13 = 83,863.38 : x
  2. Step 2: Convert to fraction form
    283,558.56/425,400.13 = 83,863.38/x
  3. Step 3: Cross multiply
    283,558.56x = 425,400.13 × 83,863.38
  4. Step 4: Simplify right side
    283,558.56x = 35,675,492,754.24
  5. Step 5: Solve for x
    x = 35,675,492,754.24/283,558.56
  6. Step 6: Final answer
    x = 125,813.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.